CN105026777A - Support and guide device - Google Patents
Support and guide device Download PDFInfo
- Publication number
- CN105026777A CN105026777A CN201480010662.5A CN201480010662A CN105026777A CN 105026777 A CN105026777 A CN 105026777A CN 201480010662 A CN201480010662 A CN 201480010662A CN 105026777 A CN105026777 A CN 105026777A
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- Prior art keywords
- guide rail
- moving block
- mentioned
- face
- ball
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- 230000006698 induction Effects 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 description 65
- 238000006073 displacement reaction Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0614—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0614—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only
- F16C29/0621—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load in essentially two directions, e.g. by multiple points of contact or two rows of rolling elements
- F16C29/0623—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load in essentially two directions, e.g. by multiple points of contact or two rows of rolling elements with balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/063—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body, e.g. a carriage or part thereof, provided between the legs of a U-shaped guide rail or track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
- B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
- B66B9/0846—Guide rail
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/001—Bearings for parts moving only linearly adjustable for alignment or positioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/008—Systems with a plurality of bearings, e.g. four carriages supporting a slide on two parallel rails
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
A support and guide device is configured so that, even if there are gaps at the joints between track rails (4) which constitute a guide track (1), the support and guide device is capable of enabling a movement block (2) to smoothly transfer from one track rail (4) to another track rail (4), the movement block (2) moving along the guide track (1). The support and guide device is provided with the serially arranged track rails (4) and a movement block (2) which is capable of moving along the guide track (1) while sequentially transferring between the track rails (4). Each of the track rails (4) has a guide surface (41) provided along the longitudinal direction, and the movement block (2) has a contact (3) which travels on the guide surface (41) of the track rail (4). Auxiliary slide surfaces (5) are provided at the longitudinal opposite ends of each of the track rails (4) so as to be side by side with the guide surface (41) and so as to be tilted relative to the guide surface (41). The movement block (2) is provided with leading slide sections (9) which are configured so that, when the movement block (2) reaches a longitudinal end of each of the track rails (4), a leading slide section (9) faces the auxiliary slide surface (5) of the track rail (4).
Description
Technical field
The present invention relates to a kind of loading for movable bodys such as one side support platform (table) or units (unit), along certain path, this movable body is directed to the support guides of arbitrary position.
Background technique
The linear guide device disclosed in patent documentation 1 is there will be a known as the available existing apparatus of this support guides.This linear guide device by be formed rolling element rolling face guide rail and formed across the moving block that multiple rolling element is assembled in this guide rail, and, the rolling face of loading limit rolling at above-mentioned guide rail in above-mentioned rolling element limit load, thus above-mentioned moving block can move freely along guide rail.Though because of the size of the platform that guides or the movable body such as unit, weight and different, but in general, two above-mentioned guide rails are configured to parallel, on the other hand, the multiple moving blocks carrying out movement along these guide rails are fixed on movable body, therefore, it is possible to allow this movable body move well along above-mentioned guide precision.
This linear guide device be mainly used in the X-axis of work mechanism, Y-axis, Z axis straight line guide, and its application target is to guide accurately and the conveying object such as positioning workpieces (work) or instrument (tool).Concerning guiding this requirement of conveying object accurately, the length that can make above-mentioned guide rail has the limit.Therefore, when the displacement distance required for conveying object is longer than the length of a guide rail, multiple guide rail ground very close to each other tandem is connected.Therefore, form and there is the guide rail of the length corresponding with the displacement distance of conveying object, and be configured to above-mentioned moving block and can stride across the seam of guide rail and move in the total length of above-mentioned guide rail.In addition, above-mentioned rolling face is carried out together grinding processing to produce the stage in the seam of guide rail, the multiple guide rails for tandem configuration carry out tight size management.Therefore, it is possible to guide above-mentioned conveying object accurately along the guide rail connected by multiple guide rail.
At first technical paper
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2000-46052 publication
Summary of the invention
The problem that invention will solve
On the other hand, concerning the purposes of above-mentioned linear guide device, be not limited to carry accurately or this purposes of orienting object, such as, guide work mechanism etc., also can be used in the conveying of the just movable body such as platform or unit.Especially, due to tandem multiple guide rail can be configured and forms long guide rail, so such as can to consider in the main cabin of aircraft, boats and ships or train etc., in the space of such broadness, various device or interior decoration etc. to be moved to the purposes that the arbitrary position in this space is configured.
At this, following situation has a lot, that is, be divided into multiple dividing body by the macrostructure such as aircraft or boats and ships thing and make, and finally in conjunction with these dividing bodies, thus completes the situation of the macrostructure thing of object.In this case, when considering the simplifying that structure finally assembles, will fix above-mentioned guide rail across adjacent divided body connecting part be each other be difficult to imagination.In addition, at passenger plane because the in-built operation will carrying out passenger plane after assembling body is on a large scale difficult, so carry out a part for in-built operation for the fuselage of segmentation before body assembling, and connect in-built post-job multiple fuselage of completing to a certain degree to assemble body.Therefore, to form long guide rail in macrostructure thing, then it is conceivable, that first guide rail is fixed in each dividing body, then combining each dividing body being fixed with guide rail and each other long guide rail being completed in above-mentioned macrostructure thing.
Consequently, consider dividing body each other in conjunction with time, gap must be set in advance each other in the end of guide rail clipping connecting part face-off.In addition, at macrostructure things such as aircraft, train or boats and ships, when applying external force to this structure, different distortion may be produced at each dividing body.Therefore, suppose to form multiple guide rails of guide rail and between end, do not arrange gap when being just arranged, the end of guide rail adjacent to each other also may be disturbed each other strongly.So, even if from such a viewpoint, have the situation that must pre-set gap in the seam of adjacent guide rail.Though the size in this gap is because being equipped with the size of the structure of guide rail and different, but also has the situation being set as tens millimeter, and more it is clear that larger than the diameter of the rolling element of above-mentioned straight way guiding device.
As mentioned above, when the seam of the guide rail forming above-mentioned guide rail has gap, when above-mentioned moving block arrives the seam of guide rail, rolling element does not contact the rolling face of this guide rail and becomes no-load condition.Consequently, this moving block cannot the loading of load movable body, has the possibility relative to guide rail significantly displacement.Therefore, above-mentioned moving block disturbs with the end of the guide rail being positioned at direct of travel, has the possibility of the smooth and easy movement hindering the movable body supported by this moving block.
In addition, though lifting the linear guide device shown in patent documentation 1 at this is that example illustrates can by the support guides of movable body along certain Route guiding to arbitrary position, but even what well imagine is that the support guides of the form that the form that slides on guide rail of moving block that above-mentioned problem possesses the sliding contact member of low frictional properties or the moving block with the wheel be rotatably supported are walked on guide rail can occur too.
For solving the means of problem
The present invention is conceived to this problem and completes, its object is to provide a kind of support guides, even if this support guides is when the seam of multiple guide rails forming guide rail exists gap, the moving block carrying out movement along this guide rail also can be allowed to be transformed into the opposing party's guide rail swimmingly from a square guide rail.
In order to reach above-mentioned purpose, support guides of the present invention possesses: multiple guide rail, and its tandem configures and forms guide rail; And moving block, it can be changed while move along above-mentioned guide rail at above-mentioned multiple guide rail successively, and each guide rail has guide surface alongst, and on the other hand, above-mentioned moving block has the contact of walking at the guide surface of above-mentioned guide rail.And, assistant sliding face is provided with at the two end part of the length direction of each guide rail, on the other hand, have at above-mentioned moving block and leadingly slide portion, wherein, this assistant sliding face and above-mentioned guide surface side by side and tilt relative to this guide surface, and, when this moving block arrives the end of the length direction of above-mentioned guide rail, this leading portion of sliding is opposed with the assistant sliding face of above-mentioned guide rail.
In the invention described above, when above-mentioned moving block is in the multiple guide rail conversion forming above-mentioned guide rail, the assistant sliding face being located at this guide rail cooperates with the leading portion of sliding being located at this moving block, and auxiliary above-mentioned moving block is changed smoothly.Therefore, even if the relation of reversing between above-mentioned guide rail and moving block, also can similarly reach object of the present invention.
Namely, concerning other performances of the present invention, what well imagine is following apparatus, that is, be provided with assistant sliding face at the two end part of the length direction of above-mentioned moving block, on the other hand, have at above-mentioned guide rail and leadingly slide portion, this assistant sliding face tilts relative to the guide surface of above-mentioned guide rail, and, when this moving block arrives the end of the length direction of above-mentioned guide rail, this leading portion of sliding is opposed with the assistant sliding face of this moving block.
Invention effect
According to as above the support guides of the present invention formed, be provided with the assistant sliding face tilted relative to the guide surface of this guide rail at above-mentioned moving block or guide rail, this assistant sliding face is opposed with the leading portion of sliding being present in above-mentioned guide rail or moving block.Therefore, there is gap forming the seam between the guide rail of above-mentioned guide rail and guide rail, when the moving block that this seam carries out movement is relative to guide rail displacement, leading opposed with this assistant sliding face in above-mentioned assistant sliding face slides portion's sliding contact.Consequently, above-mentioned moving block can be avoided to disturb with the end of the guide rail that is positioned at direct of travel, change swimmingly between the end of the guide rail that this moving block thus can be allowed to configure in tandem.Therefore, even if having to arrange gap between the multiple guide rails forming guide rail, also can guide along this guide rail the movable body being supported on moving block swimmingly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the basic structure that support guides of the present invention is described.
Fig. 2 is the stereogram representing the first mode of execution being suitable for the moving block of support guides of the present invention and the combination of guide rail.
Fig. 3 is the amplification stereogram of the end of the length direction representing the guide rail that the first mode of execution relates to.
Fig. 4 is the schematic diagram of an example of the use form representing the support guides that the first mode of execution relates to.
Fig. 5 is the schematic diagram of the example of the state of the gaping of joints representing the support guides that the first mode of execution relates to.
Fig. 6 represents the second mode of execution being suitable for support guides of the present invention, and represents the stereogram of the moving block of this second mode of execution.
Fig. 7 is the schematic diagram of the example of the state of the gaping of joints representing the support guides that the second mode of execution relates to.
Fig. 8 represents the 3rd mode of execution being suitable for support guides of the present invention, and represents the stereogram of the moving block of the 3rd mode of execution.
Fig. 9 is the schematic diagram of the example of the state of the gaping of joints representing the support guides that the 3rd mode of execution relates to.
Embodiment
Below, accompanying drawing is used to be described the mode of execution being suitable for support guides of the present invention.
Fig. 1 is the figure of modal representation support guides of the present invention.This support guides possesses: multiple guide rail 4, and its tandem is configured in the fixing part 1A of structure etc. and forms guide rail 1; And moving block 2, it can be changed while move along above-mentioned guide rail 1 at above-mentioned multiple guide rail 4 successively.Fig. 1 although not shown, but each guide rail 4 has guide surface alongst, on the other hand, above-mentioned moving block 2 possesses the contact 3 of walking at the guide surface of above-mentioned guide rail 4, and above-mentioned contact 3 limit load loading limit and walked at above-mentioned guide surface, thus above-mentioned moving block 2 can move freely the arbitrary position on above-mentioned guide rail 1.As the fixing part 1A being laid with above-mentioned guide rail 4, wall in the main cabin of it is conceivable that aircraft, train, boats and ships etc. or ceiling board, and the movable body (not shown) such as the various platform used in the arbitrary position that above-mentioned moving block 2 is fixed with in this main cabin or unit.Therefore, it is possible to this movable body to be directed to the arbitrary position on guide rail 1.In addition, fixation portions 1A and movable body are not limited thereto lifted example.
Be provided with assistant sliding face 5 in the end of the length direction of above-mentioned guide rail 4, this assistant sliding face 5 tilts relative to the channeling direction of above-mentioned moving block 2.In addition, at above-mentioned moving block 2, leading portion 9 of sliding is present in the position opposed with above-mentioned assistant sliding face 5.As shown in Figure 1, when the seam between multiple guide rails 4 of tandem configuration exists gap 7 (hereinafter referred to as " gaping of joints "), above-mentioned assistant sliding face 5 plays function effectively.Namely, moving block 2 guide rail 1 advance to be transformed into the next guide rail 4 being positioned at front time, moving block 2 is when above-mentioned gaping of joints 7 is relative to guide rail 4 displacement, and opposed assistant sliding face 5 sliding contact in portion 9 is slided with leading by the leading portion 9 of sliding that this moving block 2 possesses.Therefore, moving block 2 is little by little eliminated relative to the displacement of guide rail 4, and moving block 2 can be changed swimmingly between adjacent guide rail 4.
In addition, Fig. 1 is the schematic diagram that invention is described, description of exaggerating is arranged on the assistant sliding face 5 of above-mentioned guide rail 4.
Fig. 2 more specifically represents the figure being suitable for support guides of the present invention, represents the above-mentioned guide rail 4 of the first mode of execution of the present invention and the combination of moving block 2.
Above-mentioned guide rail 4 is rod member of the roughly rectangular shape of section, and is formed as straight line shape.Two ball rolling faces 41 that ball 3 rolls are formed in a side of this guide rail 4 abreast along the length direction of this guide rail 4.These ball rolling faces 41 are equivalent to the guide surface of support guides of the present invention.In addition, being alongst formed with the mounting hole 42 of fixing bolt with predetermined interval at above-mentioned guide rail 4, when laying above-mentioned guide rail 4 at fixing part 1A, utilizing this mounting hole 42.
Fig. 3 is the figure of the one end of the length direction representing above-mentioned guide rail 4.In the length direction end of this guide rail 4, with above-mentioned ball rolling face 41 side by side and the position opposed with above-mentioned moving block 2 is formed with aforementioned assistant sliding face 5.Especially, in this embodiment, above-mentioned assistant sliding face 5 is being formed with above-mentioned ball rolling face 41 adjoining position, and, be formed with two ball rolling faces 41 abreast at above-mentioned guide rail 4.Therefore, above-mentioned assistant sliding face 5 is formed with two sides in the mode clipping two ball rolling faces 41 from both sides.Each assistant sliding face 5 is only provided with certain distance from the end face 4a of the length direction of guide rail 4, and is formed in the mode reaming the length direction end forming rectangular-shaped guide rail 4 agley.That is, each assistant sliding face 5 tilts relative to above-mentioned ball rolling face 41.In addition, this assistant sliding face 5 because be that the length direction end reaming guide rail 4 is agley formed, so the width in this assistant sliding face 5 more broadens more gradually close to the length direction end face 4a of above-mentioned guide rail 4.
In addition, ball induction face 43 is provided with in the end of the length direction in each ball rolling face 41.This ball induction face 43 is formed by carrying out convex surface processing to the end in above-mentioned ball rolling face 41, and the interval between this ball induction face 43 and above-mentioned moving block 2 is more amplified more gradually close to the end of guide rail 4.In addition, this ball induction face 43, owing to being located at the end of the length direction in above-mentioned ball rolling face 41, exists so adjoin with above-mentioned assistant sliding face 5.And this ball induction face 43 is in order to make moving block 2 being established by smooth and easyization at above-mentioned gaping of joints 7.That is, because above-mentioned ball induction face exists, so when above-mentioned moving block 2 is by gaping of joints 7, alleviates the load that the ball 3 existed between this moving block 2 and guide rail 4 is applied gradually, then increase gradually.In addition, this ball induction face 43 is invented and nonessential formation for this case, but ball 3 can move smoothly through the gaping of joints of this guide rail 4 further by being formed with ball induction face 43 at guide rail 4.
On the other hand, as shown in Figure 2, above-mentioned moving block 2 across Infinite Cyclic multiple balls 3 and be assembled in above-mentioned guide rail 4, and above-mentioned ball 3 rolling is in the ball rolling face 41 of above-mentioned guide rail 4, thus aforementioned moving block 2 can move freely along guide rail 4.At this, above-mentioned ball 3 is equivalent to contact of the present invention.This moving block 2 possesses: moving block body 20; And a pair lid 21, it is fixed on the both ends of the surface of the movement direction of this moving block body 20.
Be formed with two loaded ball rolling faces 22 at above-mentioned moving block body 20, these loaded ball rolling faces 22 are located at the position opposed with the ball rolling face 41 of above-mentioned guide rail 4.This loaded ball rolling face 22 is opposed with above-mentioned ball rolling face 41, thus completes the loaded ball passage that loading limit rolling in the limit load between guide rail 4 and moving block body 20 of above-mentioned ball 3.In addition, this moving block body 20 has and that establish two ball return passages 23 almost parallel with each loaded ball rolling face 22, above-mentioned ball 3 from loading by the state that opens in this ball return passage 23 rolling.
On the other hand, be provided with the conversion road, direction (not shown) linking above-mentioned loaded ball rolling face 22 and ball return passage 23 at above-mentioned lid 21, thus ball 3 can be allowed to come and go between loaded ball passage and ball return passage 23.Therefore, when a pair lid 21 is fixed on the front and back of the movement direction of above-mentioned moving block body 20, links the end of above-mentioned loaded ball passage and ball return passage each other on the conversion road, direction of lid, thus complete the Infinite Cyclic road of ball at above-mentioned moving block.In addition, example shown in Fig. 2, though above-mentioned moving block possesses two Infinite Cyclic roads, but the number on this Infinite Cyclic road can according to the suitable design alteration of size of the loading of the necessary load of moving block.
This lid 21 is formed thereby by synthetic resin.In addition, under above-mentioned ball 3 state that loading in load between the ball rolling face 41 and the loaded ball rolling face 22 of moving block body 20 of guide rail 4, this lid 21 and above-mentioned guide rail 4 remain non-contact across gap a little.The opposed faces opposed with guide rail 4 of this lid 21 is equivalent to of the present inventionly leadingly slide portion 9.
In addition, between above-mentioned moving block 2 and above-mentioned guide rail 4, be provided with retaining plate 30, the two end part of the length direction of this retaining plate 30 are supported by above-mentioned lid 21.Above-mentioned retaining plate 30 has a pair of the ball Infinite Cyclic road possessed corresponding to above-mentioned moving block 2 retaining hole 31 in slit-shaped, further, touched the ball rolling face 41 of above-mentioned guide rail 4 by this retaining hole 31 at the ball 3 of loaded ball rolling face 22 rolling of above-mentioned moving block 20.In addition, the width of above-mentioned retaining hole 31 is set as less more a little than the diameter of above-mentioned ball 3, even if unload above-mentioned moving block 2 from guide rail 4, ball 3 also can not come off from moving block 2.
In addition, in order to the circulating path of the ball 3 in the above-mentioned moving block 2 of easy understand, the moving block 2 cutting into half is drawn as at Fig. 2.
Fig. 4 is the schematic diagram of an example of the concrete use form representing the support guides used illustrated by Fig. 2 and Fig. 3.In this use form, a pair guide rail 1 is arranged abreast with fixation portions 1A.The separated from each other interval group of multiple moving block 2A, 2B is contained in each guide rail 1, and each moving block 2A, 2B are fixed on movable body 100.Therefore, each moving block 2A, 2B can share and the loading of the above-mentioned movable body 100 of load, and support this movable body 100 relative to fixing part 1A and movable body 100 is moved along guide rail 1.
Each guide rail 1 configures multiple guide rail 4A-4C by tandem and forms, and rail end adjacent before and after on the movement direction of above-mentioned movable body 100 is provided with gaping of joints 7 each other.In this use form, the size of above-mentioned gaping of joints 7 is about 10mm.And in contrast, the diameter being located at the ball of above-mentioned moving block 2A, 2B is about 2.4mm, the size of gaping of joints 7 is more than suitable 4 ball sizes.Therefore, such as, when the moving block 2A being fixed on above-mentioned movable body 100 will be transformed into guide rail 4A from guide rail 4B, the ball 3 come at ball rolling face 41 rolling of above-mentioned guide rail 4B became no-load condition before being transformed into the ball rolling face of guide rail 4A.
When ball 3 is absorbed in no-load condition at above-mentioned gaping of joints 7, have following situation occur, that is, the above-mentioned moving block 2A of a part for the loading of the above-mentioned movable body of load 100 at above-mentioned gaping of joints 7 relative to this situation of above-mentioned guide rail 4A displacement.When such phenomenon occurs, the row being located at the ball 3 of above-mentioned moving block 2A can not be correct corresponding in the ball rolling face 41 of the guide rail 4A in the front of movement direction with position, thus the situation that above-mentioned moving block 2A can block when guide rail 4B is transformed into guide rail 4A.Consequently, the possibility hindering movable body 100 along guide rail 1 movement is swimmingly had.
About this point, as shown in Figure 5, in support guides of the present embodiment, above-mentioned moving block 2A arrives gaping of joints 7 along with the movement of above-mentioned movable body 100, thus ball 3 becomes no-load condition.Consequently, when above-mentioned moving block 2A is relative to guide rail 4A, 4B displacement, the lid 21 being positioned at the front end of the movement direction of above-mentioned moving block 2A touches the assistant sliding face 5 of guide rail 4A.More specifically, the face opposed with above-mentioned guide rail 4 of above-mentioned lid 21, that is, above-mentionedly leadingly slide the assistant sliding face 5 that portion 9 touches guide rail 4A
At this, because above-mentioned assistant sliding face 5 tilts with the direct of travel of above-mentioned moving block 2A, namely, tilt with above-mentioned ball rolling face 41 and formed, so when above-mentioned movable body 100 moves along guide rail 1, and when above-mentioned lid 21 leading slides portion 9 with 5 sliding contact of above-mentioned assistant sliding face, moving block 2A diminishes gradually relative to the displacement of above-mentioned guide rail 4B.Consequently, the ball row little by little eliminating above-mentioned moving block 2A offset with the position in the ball rolling face 41 of guide rail 4A.Therefore, the ball 3 temporarily becoming no-load condition at gaping of joints 7 can be transformed into the ball rolling face 41 of this guide rail 4A swimmingly, and can not be stuck in the bight of guide rail 4A.Therefore, above-mentioned moving block 2A can move smoothly through gaping of joints edge and guide rail 1 and move in limit.
In addition, the support guides of this first mode of execution is provided with ball induction face 43 in the end of the length direction in the ball rolling face of above-mentioned guide rail, the mode that this ball induction face 43 induces the interval of face 43 and above-mentioned moving block 2 more to amplify more gradually close to the end of guide rail 4 with ball tilts.Therefore, when the ball 3 temporarily becoming no-load condition at above-mentioned gaping of joints 7 is transformed into the ball rolling face 41 of guide rail 4A, this ball 3 is not be transformed into suddenly ball rolling face 41 and load loading, but first touch the above-mentioned ball induction face 43 in the dead ahead being present in ball rolling face 41, and the load that ball 3 applies is advanced in this ball induction face 43 along with this ball 3 and increases gradually.And when ball 3 enters ball rolling face 41 from ball induction face 43, above-mentioned moving block 2A is from guide rail 4B converting toward guide rail 4A.Namely, in the support guides of this first mode of execution, by the end of the length direction in ball rolling face 41, ball induction face 43 is set, thus moving block 2A can be configured to be transformed into guide rail 4A from guide rail 4B swimmingly further, and at the universe boot activity body 100 swimmingly of guide rail 1.
In addition, in order to easy understand action effect of the present invention, the displacement describing moving block 2A is exaggerated at Fig. 5.
Then, Fig. 6 is the figure representing the second mode of execution being suitable for support guides of the present invention, and represents other examples of the moving block that can combinationally use with the guide rail 4 of the first mode of execution.
In the above-described first embodiment, be configured to: when moving block 2 is by above-mentioned gaping of joints 7, as the lid 21 of a part for this moving block 2 and assistant sliding face 5 sliding contact of guide rail 4A.That is, leading portion 9 of sliding of the present invention is formed directly into above-mentioned lid 21, and this is leading slides portion 9 and take on and leadingly slided portion 9 and the sliding contact in assistant sliding face 5 by this and make the displacement of above-mentioned moving block 2 return to the task of original state.Therefore, when this moving block 2 is by gaping of joints 7, external force is applied to lid 21.
But, owing to being provided with the part on the Infinite Cyclic road of ball 3 at above-mentioned lid 21, so apply external force to this lid 21, consequently, when lid 21 produces position skew relative to moving block body 20, have the possibility hindering ball 3 to circulate swimmingly in moving block 2.In addition, because above-mentioned lid 21 is from the above-mentioned retaining plate 30 of the supported on both sides of above-mentioned moving block body 20, so when applying external force to this lid 21, above-mentioned retaining plate 30 may have distortion.In this case, also worry is arranged on retaining plate 30 and expands in the retaining hole 31 of slit-shaped, thus ball 3 is tumbled from moving block 2 by retaining hole 31 at above-mentioned gaping of joints 7.
Therefore, as shown in Figure 6, in the support guides of the second mode of execution, above-mentioned moving block 2 comprises assistant sliding component 6.This assistant sliding component 6 is fixed on above-mentioned moving block body 20.And, this assistant sliding component 6 replace above-mentioned lid 21 and with above-mentioned assistant sliding face 5 sliding contact.This assistant sliding component 6 possesses: the horizontal part 6a being fixed in above-mentioned moving block body 20; And to give prominence to from this horizontal part 6a and to cover a pair foot 6b of above-mentioned lid 21 from the front and back of movement direction.Being provided with mounting hole 60 at above-mentioned horizontal part 6a, by inserting fixing bolt to this mounting hole 60, thus this assistant sliding component 6 can being fixed on movable body 100 together with moving block body 20.In addition, about with the same formation of above-mentioned first mode of execution, indicate and the first mode of execution prosign, and description is omitted.
On the other hand, each foot 6b and above-mentioned lid 21 adjoin, and between a pair foot 6b, contain above-mentioned moving block body 20 and a pair lid 21.In addition, between each foot 6b and the lid 21 being adjacent to each foot 6b, gap is provided with.The opposed faces opposed with guide rail 4 of each foot 6b is formed as the same shape of opposed faces with above-mentioned lid 21, and under the state in ball rolling face 41 that the ball 3 of above-mentioned moving block 2 contacts guide rail 4, above-mentioned foot 6b and guide rail remain non-contact.Therefore, the opposed faces opposed with guide rail 4 of this foot 6b is equivalent to of the present inventionly leadingly slide portion 9.As shown in Figure 6, be set as that the gaping of joints 7 of the guide rail 4 than formation guide rail 1 is larger from the distance L of end face to the end face of above-mentioned assistant sliding component 6 of above-mentioned moving block body 20.
Fig. 7 represents the moving block 2 of installing above-mentioned assistant sliding component 6 schematic diagram by state during gaping of joints 7 between guide rail 4A and guide rail 4B, and corresponds to the first mode of execution and Fig. 5.
As mentioned above, because the distance L of end face to the end face of above-mentioned assistant sliding component 6 from above-mentioned moving block body 20 is set as larger than gaping of joints 7, so when the ball 3 getaway 4B of moving block 2 enters gaping of joints 7, the foot 6b of above-mentioned assistant sliding component 6 has come the guide rail 4A in the front being positioned at movement direction.Therefore, as shown in Figure 7, when above-mentioned moving block 2A arrives gaping of joints 7 and ball 3 becomes no-load condition, thus above-mentioned moving block 2A relative to guide rail 4A, 4B displacement time, above-mentioned foot 6b contacts with the assistant sliding face 5 of guide rail 4A.That is, the leading portion 9 of sliding being located at above-mentioned foot 6b contacts with above-mentioned assistant sliding face 5.And, even if in this second embodiment, when above-mentioned movable body 100 moves along guide rail 1, and when above-mentioned assistant sliding component 6 leading slides portion 9 with 5 sliding contact of above-mentioned assistant sliding face, moving block 2A also diminishes gradually relative to the displacement of above-mentioned guide rail 4B, thus the ball row little by little eliminating above-mentioned moving block 2A offset with the position in the ball rolling face 41 of guide rail 4A.Therefore, the ball 3 being temporarily in no-load condition can be transformed into the ball rolling face 41 of this guide rail 4A swimmingly, and can not be stuck in the bight of guide rail 4A, and above-mentioned moving block 2A can move smoothly through gaping of joints 7 edge and guide rail 1 and move in limit.
Now, above-mentioned assistant sliding component 6 is fixed on movable body 100 together with moving block body 20, and is provided with gap between each foot 6b and the lid 21 being adjacent to each foot 6b of assistant sliding component 6.Therefore, even if be located at the leading of this foot 6b to slide portion 9 and above-mentioned assistant sliding face 5 sliding contact of guide rail 4A, also any external force can not be applied to above-mentioned lid 21.That is, the function of protecting above-mentioned lid 21 born by above-mentioned assistant sliding component 6 at gaping of joints 7.Therefore, except above-mentioned lid 21 can be prevented in advance relative to except the skew of moving block body 20 occurrence positions, the distortion of the retaining plate 30 supported by lid 21 can not also be there is.Consequently, along guide rail 1 boot activity body 100 swimmingly, and the walking performance of moving block 2 relative to guide rail 4 can not can be damaged.
Then, Fig. 8 represents the 3rd mode of execution being suitable for support guides of the present invention, and represents the stereogram of the moving block 2 ' of this support guides.
In above-mentioned first mode of execution and the second mode of execution, assistant sliding face 5 of the present invention is set in the end of the length direction of guide rail 4, on the other hand, arranges at above-mentioned moving block 2 and above-mentionedly leadingly slide portion.But, in the 3rd mode of execution, be not that assistant sliding face 5 is set at above-mentioned guide rail 4, but be provided with assistant sliding face at above-mentioned moving block 2 '.In addition, about with the same formation of above-mentioned first mode of execution, indicate and the first mode of execution prosign, and description is omitted.
As shown in Figure 8, the moving block 2 ' in the 3rd mode of execution comprises the aid in guide component 8 being fixed on above-mentioned moving block body 20.This aid in guide component 8 possesses: the horizontal part 8a being fixed in above-mentioned moving block body 20; And to give prominence to from this horizontal part 8a and to cover a pair foot 8b of above-mentioned lid 21 from the front and back of movement direction.Being provided with mounting hole 80 at above-mentioned horizontal part 8a, by inserting fixing bolt to this mounting hole 80, thus this aid in guide component 8 can being fixed on movable body 100 together with moving block body 20.In addition, each foot 8b and above-mentioned lid 21 adjoin, and between a pair foot 8b, contain above-mentioned moving block body 20 and a pair lid 21.In addition, between each foot 8b and the lid 21 being adjacent to each foot 8b, gap is provided with.
Under the state in ball rolling face 41 that ball 3 contacts guide rail 4, the opposed faces opposed with guide rail 4 and the guide rail 4 of each foot 8b remain non-contact.In addition, a pair assistant sliding face 81 is formed with two groups at each foot 8b respectively in the mode of the position opposed with two ball rolling faces 41 that above-mentioned guide rail 4 possesses clamping each foot 8b.These assistant sliding faces 81 are only provided with certain distance from the end face outside 82 of above-mentioned foot 8b, and ream the opposed faces opposed with guide rail 4 of this foot 8b agley and formed.That is, each assistant sliding face 81 tilts relative to the ball rolling face 41 of guide rail 4.In addition, the width in this assistant sliding face 81 more broadens more gradually close to the end face outside 82 of this foot.
On the other hand, though do not illustrate, but the guide rail of the 3rd mode of execution is formed as omitting the shape in the assistant sliding face 5 be arranged on guide rail 4 end of the first mode of execution.Certainly, the ball induction face 43 be located on the guide rail 4 of the first mode of execution can be set arbitrarily.
Fig. 9 represents the moving block 2 ' of installing above-mentioned aid in guide component 8 schematic diagram by state during gaping of joints 7 between guide rail 4A and guide rail 4B, and corresponds to the first mode of execution and Fig. 5.But, as illustrated, do not form assistant sliding face in the end of the length direction of each guide rail 4A, 4B, and the end face 4a of the face opposed with above-mentioned moving block 2 ' of each guide rail 4A, 4B and guide rail 4A, 4B is at right angles crossing, thus has formed bight 44.
As shown in Figure 9, when above-mentioned moving block 2 ' arrives gaping of joints 7 and ball 3 becomes no-load condition, thus above-mentioned moving block 2 ' relative to guide rail 4A, 4B displacement time, the bight 44 of the foot 8b and guide rail 4A that are positioned at the aid in guide component 8 of the front end of the movement direction of above-mentioned moving block 2 ' contacts.That is, opposed with above-mentioned guide rail 4A assistant sliding face 81 touches above-mentioned bight 44.And as mentioned above, above-mentioned assistant sliding face 81, relative to the length direction of guide rail, namely tilts relative to the bearing of trend in ball rolling face 41.Therefore, when above-mentioned movable body 100 moves along guide rail 1, and during bight 44 sliding contact of the assistant sliding face 81 of above-mentioned assistant sliding component 8 and above-mentioned guide rail 4A, moving block 2 ' diminishes gradually relative to the displacement of above-mentioned guide rail 4B, thus the ball row eliminating above-mentioned moving block 2 ' gradually offset with the position in the ball rolling face 41 of guide rail 4A.Therefore, the ball 3 being temporarily in no-load condition can be transformed into the ball rolling face 41 of this guide rail 4A swimmingly, and can not be stuck in the bight 44 of guide rail 4A, and above-mentioned moving block 2 ' can move smoothly through gaping of joints 7 edge and guide rail 1 and move in limit.That is, in the 3rd mode of execution, the bight 44 of above-mentioned guide rail 4A is leadingly slided portion as of the present invention and plays function.
Therefore, in the present invention, as long as assistant sliding face is present in moving block or guide rail any one, and slide portion, as long as be formed at the component opposed with above-mentioned assistant sliding face about allow the displacement of the moving block between gaping of joints restore leading that cooperate with this assistant sliding face.
In addition, in the support guides that the 3rd mode of execution relates to, can be configured to not arrange above-mentioned aid in guide component 8 at above-mentioned moving block 2 ', and above-mentioned assistant sliding face 81 is directly set at lid 21.But, when each lid 21 directly forms assistant sliding face 81, same with above-mentioned first mode of execution, worry above-mentioned lid 21 and produce position skew relative to moving block body 20.If from such a viewpoint, as shown in the 3rd mode of execution, aid in guide component 8 is preferably set, and utilizes this aid in guide component 8 to protect lid 21.
In addition, in the support guides that the 3rd mode of execution relates to, the ball rolling face 41 in the assistant sliding face 81 and guide rail 4 of being located at above-mentioned aid in guide component 8 does not have opposed, and is specially configured to this assistant sliding face 81 other position sliding contacts except ball rolling face 41 with guide rail 4.But, above-mentioned assistant sliding face 81 also can be configured to be located at the position opposed with the ball rolling face 41 of guide rail 4, when moving block is in gaping of joints 7 displacement, above-mentioned assistant sliding face 81 be contacted with the ball rolling face 41 of above-mentioned guide rail 4.Even if form like this, also can eliminate the displacement of the moving block on above-mentioned gaping of joints 7 gradually, and guarantee that moving block is mobile at guide rail swimmingly.
In the support guides of each mode of execution described above, be only provided with ball rolling face in a side of guide rail, and have the moving block on the Infinite Cyclic road with ball at the side assembling of guide rail, but support guides of the present invention is not limited thereto.Such as, even be provided with ball rolling face in the bi-side of guide rail, and at guide rail to be assembled with support guides also applicable the present invention of the form of moving block across the mode of guide rail.
In addition, be suitable for support guides of the present invention and be not limited to the form that its moving block has the Infinite Cyclic road of the rolling element such as ball or roller, the support guides of the form that also can be such as the sliding contact member that possesses low frictional properties slide as the moving block of contact on guide rail or the form that the moving block with the wheel be rotatably supported is walked on guide rail.
And then being suitable for support guides of the present invention and being not limited to the device that guide rail is formed as straight line shape, also can be that this guide rail is formed as arc-shaped, and guide the device of moving block along the curved shape of guide rail.In addition, can also be the device both had at guide rail line part and curve part.
Claims (6)
1. a support guides, is characterized in that, possesses: multiple guide rail (4), and its tandem configures and forms guide rail (1); And moving block (2), it can change while mobile along described guide rail (1) described multiple guide rail (4) successively,
Each guide rail (4) has guide surface (41) alongst, and on the other hand, described moving block (2) has the contact (3) of walking at the guide surface (41) of described guide rail (4),
Assistant sliding face (5) is provided with at the two end part of the length direction of each guide rail (4), on the other hand, have at described moving block (2) and leadingly slide portion (9), wherein, this assistant sliding face (5) and described guide surface (41) are side by side and tilt relative to this guide surface (41), and, when this moving block (2) arrives the end of the length direction of described guide rail (4), this leading portion (9) of sliding is opposed with the assistant sliding face (5) of described guide rail (4).
2. support guides as claimed in claim 1, is characterized in that,
Described moving block (2) comprising: moving block body (20); And be fixed on a pair lid (21) at two ends of this moving block body (20), and possess Infinite Cyclic road, wherein this Infinite Cyclic road is used for the multiple ball-recirculation as described contact (3),
Describedly leadingly slide the one side that portion (9) is arranged on the described lid (21) opposed with described guide rail (4).
3. support guides as claimed in claim 1, is characterized in that,
Described moving block (2) comprising: moving block body (20); Be fixed on a pair lid (21) at the two ends of this moving block body (20); And be fixed on described moving block body (20) and cover the assistant sliding component (6) of described lid (21) across gap from the front and back of the movement direction of this moving block (2), and possess Infinite Cyclic road, wherein this Infinite Cyclic road is used for the multiple ball-recirculation as described contact (3)
Describedly leadingly slide the one side that portion (9) is arranged on the described assistant sliding component (6) opposed with described guide rail (4).
4. support guides as claimed in claim 2 or claim 3, is characterized in that,
The two ends of the length direction of the guide surface (41) in described guide rail (4) are provided with ball induction face (43), and wherein this ball induction face (43) is formed by carrying out convex surface processing to the end of described guide surface (41).
5. a support guides, is characterized in that, possesses: multiple guide rail (4), and its tandem configures and forms guide rail (1); And moving block (2 '), it can change while mobile along described guide rail (1) described multiple guide rail (4) successively,
Each guide rail (4) has guide surface (41) alongst, on the other hand, described moving block (2 ') has the contact (3) of walking at the guide surface (41) of described guide rail (4)
Assistant sliding face (81) is provided with at the two end part of the length direction of moving block (2 '), on the other hand, have at described guide rail (4) and leadingly slide portion (9), wherein, this assistant sliding face (81) tilts relative to the guide surface (41) of described guide rail (4), and, when this moving block (2 ') arrives the end of the length direction of described guide rail (4), this leading portion (9) of sliding is opposed with the assistant sliding face (81) of this moving block (2 ').
6. support guides as claimed in claim 5, is characterized in that,
Described moving block (2 ') comprising: moving block body (20); Be fixed on a pair lid (21) at the two ends of this moving block body (20); And be fixed on described moving block body (20) and cover the aid in guide component (8) of described lid (21) across gap from the front and back of the movement direction of this moving block (2 '), and possess Infinite Cyclic road, wherein this Infinite Cyclic road is used for the multiple ball-recirculation as described contact (3)
Described assistant sliding face (81) is arranged on the one side of the described aid in guide component (8) opposed with described guide rail (4).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013058718A JP5717781B2 (en) | 2013-03-21 | 2013-03-21 | Support guide device |
| JP2013-058718 | 2013-03-21 | ||
| PCT/JP2014/052722 WO2014148135A1 (en) | 2013-03-21 | 2014-02-06 | Support and guide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105026777A true CN105026777A (en) | 2015-11-04 |
| CN105026777B CN105026777B (en) | 2017-06-13 |
Family
ID=51579830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480010662.5A Active CN105026777B (en) | 2013-03-21 | 2014-02-06 | Support guides |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9568045B2 (en) |
| EP (1) | EP2977628B1 (en) |
| JP (1) | JP5717781B2 (en) |
| CN (1) | CN105026777B (en) |
| CA (1) | CA2900332C (en) |
| TW (1) | TWI611116B (en) |
| WO (1) | WO2014148135A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165840A (en) * | 2018-12-26 | 2021-07-23 | 三菱电机株式会社 | Guide rail connecting device of elevator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3096029A4 (en) * | 2014-01-17 | 2017-04-19 | NSK Ltd. | Linear motion guiding device |
| USD835492S1 (en) * | 2015-02-24 | 2018-12-11 | Thk Co., Ltd. | Slide rail |
| JP6619656B2 (en) * | 2016-01-22 | 2019-12-11 | Thk株式会社 | LOAD GUIDE MEASURING SYSTEM FOR MOTION GUIDE DEVICE AND METHOD FOR CALCULATION OF LIFE OF GUIDE GUIDE |
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- 2013-03-21 JP JP2013058718A patent/JP5717781B2/en active Active
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- 2014-02-06 US US14/769,933 patent/US9568045B2/en not_active Expired - Fee Related
- 2014-02-06 WO PCT/JP2014/052722 patent/WO2014148135A1/en active Application Filing
- 2014-02-06 CN CN201480010662.5A patent/CN105026777B/en active Active
- 2014-02-06 EP EP14769173.7A patent/EP2977628B1/en active Active
- 2014-02-06 CA CA2900332A patent/CA2900332C/en active Active
- 2014-02-24 TW TW103106047A patent/TWI611116B/en not_active IP Right Cessation
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| JPS6256660A (en) * | 1985-09-04 | 1987-03-12 | Nippon Seiko Kk | Machining method for ball rotation groove of orbit rail for linear guide device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113165840A (en) * | 2018-12-26 | 2021-07-23 | 三菱电机株式会社 | Guide rail connecting device of elevator |
| CN113165840B (en) * | 2018-12-26 | 2023-06-27 | 三菱电机株式会社 | Guide rail connecting device of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI611116B (en) | 2018-01-11 |
| EP2977628A4 (en) | 2016-04-06 |
| CN105026777B (en) | 2017-06-13 |
| US20160003295A1 (en) | 2016-01-07 |
| EP2977628B1 (en) | 2018-06-27 |
| JP5717781B2 (en) | 2015-05-13 |
| CA2900332C (en) | 2020-01-14 |
| CA2900332A1 (en) | 2014-09-25 |
| WO2014148135A1 (en) | 2014-09-25 |
| US9568045B2 (en) | 2017-02-14 |
| JP2014181813A (en) | 2014-09-29 |
| EP2977628A1 (en) | 2016-01-27 |
| TW201506273A (en) | 2015-02-16 |
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